diff --git a/_sidebar.md b/_sidebar.md
index 270555c..bf8a501 100644
--- a/_sidebar.md
+++ b/_sidebar.md
@@ -13,6 +13,7 @@
 
 - 面试和算法
   - [面试问题和经验](interview/index.md)
+  - [算法题](algorithm/index.md)
   
 - [Awesome docsify](awesome.md)
 - [Changelog](changelog.md)
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